@height: calc(100% - 40px);
.markdown-content {
  width: 100%;
  height: 100%;
  padding: 20px;

  .markdown-title-tool {
    width: 100%;
    height: 40px;
  }

  .markdown-middle {
    width: 100%;
    height: @height;

    .markdown-left {
      width: 50%;
      height: 100%;
      overflow-y: auto;
      margin-right: 20px;
      background-color: #f1f1f1;
      border: 0;
      font-size: 18px;
      resize: none;
      outline: 0;
    }
    .markdown-right {
      width: 50%;
      overflow-y: auto;
      height: 100%;
      word-wrap: break-word;
    }
  }
}

